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HIPOFIZA > Generalitati hipofiza > Flashcards

Generalitati hipofiza Flashcards

1
Q

Localizare

A

La baza encefalului,inapoia(ant) chiasmei optice-in saua turceasca a osului sfenoid(os nepereche al neurocraniului)

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2
Q

Caracteristici

A

Forma rotunjita
Diametru de 1,3cm
Greutate de 500mg

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3
Q

Alcatuire(procente masice,ce formeaza)

A 
3 lobi:anterior(75% din masa hipofizei)
intermediar(2%)
posterior(23%)
anterior+intermediar=adenohipofiza
posterior=neurohipofiza
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4
Q

Tesut lob intermediar

A

simpla lama epitaliala,ADERENTA la lobul posterior

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5
Q

Ce secreta neurohipofiza?

A

NU SECRETA,doar depoziteaza si excreta produsii de neurosecretie ai hipotalamusului anterior

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6
Q

Adenohipofiza localizare

A

in partea anterioara

DAR SE INTINDE SI POSTERIOR,inconjurand aproape complet neurohipofiza

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HIPOFIZA (10 decks)

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